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3 years ago

if the following line are parallel peroendicular coinciding or intersectining but not perpendicular ????

1 answer:

6 0

Answer:In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects. A line is said to be perpendicular to another line if the two lines intersect at a right angle. Explicitly, a first line is perpendicular to a second line if (1) the two lines meet; and (2) at the point of intersection the straight angle on one side of the first line is cut by the second line into two congruent angles.

Step-by-step explanation:

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Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent

aliina [53]

Answer:

Variance = 25

Step-by-step explanation:

Standard deviation is the under root of variance.

Variance is the square of standard deviation.

Data:

Mean = 70

Variance = ?

Standard deviation = √variance = 5

Variance = 5²

Variance = 25.

Therefore, the variance is 25.

3 0

4 years ago

Find the perimeter of the rectangle whose: length = 1m, breadth = 75cm

Arte-miy333 [17]

Length of the rectangle = 1 m
Breadth of the rectangle = 75 cm = 0.75 m
We know, perimeter of a rectangle = 2(length + breadth)
Therefore, perimeter of the rectangle
= 2(1 + 0.75) m = 2(1.75) m = 3.5 m

Answer:

The perimeter of the rectangle is 3.5 m or 350 cm.

Hope you could get an idea from here.

Doubt clarification - use comment section.

4 0

2 years ago

Which of the following is NOT a subset of the rational numbers

elena55 [62]

Whole numbers is the correct answer

8 0

3 years ago

HELP WHAT IS THE ANSWERS

Temka [501]

Answer: Letter Choice, (B) ====> 4,256 pi cm^2

Step-by-step explanation:

Formula: Surface Area of Cylinder = (2pi ) (r^2 ) + 2pi (r) (h)

Showing Work:

Radius of the Base ===> 28cm

Height =====> 48cm 

(2pi ) (r^2) + 2pi (28)(48)

2 (pi) (r^2) + (circumference) (height)

2( pi) (r^2 + 2)( pi)(r)(h)

2 pi * (2) (r^2 + (2)(r)(h)

2pi * (r^2 + rh)

2(r)(pi)(r + h)

2( 28)(pi)(28 + 48)

56(pi)(76)

4256(pi)^2

Therefore, Your Answer ======> Letter Choice; (B) ======> 4,256pi cm^2

Hope that helps!!!!! : )

3 0

3 years ago

The volume of a rectangular prism is 80 cubic centimeters the prism is 20 centimeters long and 2 centimeters wide what is its he

seropon [69]

Answer:

the height of the rectangular prism is 2cm

Step-by-step explanation:

the question says

volume of a rectangular prism equals 80cm³

the length of the rectangular prism is equals to 20cm

the width of the rectangular prism equals to 2cm

the height of the rectangular prism is unknown ?

solution

to find the height we will use the fomular of finding the volume of a prism

volume of a rectangular prism = length × width × height

80 = 20 × 2 × h

80 = 40h

divide both sides by 40

80/40 = 40h/40

2 = h

h = 2cm

therefore the height of the rectangular prism is 2cm

7 0

3 years ago